2010 Kawasaki KX450F

Type Liquid-cooled, 4-stroke Single
Displacement 449 cc
Bore and Stroke 96.0 x 62.1 mm
Compression Ratio 12.5:1
Valve System DOHC, 4 valves
Fuel System Fuel Injection: ø 43 mm x 1 (Keihin)
Ignition Digital DC-CDI
Starting Primary Kick
Lubrication Forced lubrication, Semi-dry sump

DRIVETRAIN
Transmission 5-speed, return
Final Drive Chain
Primary Reduction Ratio 2.727 (60/22)
Gear Ratios: 1st 1.750 (28/16)
2nd 1.412 (24/17)
3rd 1.188 (19/16)
4th 1.000 (19/19)
5th 0.875 (21/24)
Final Reduction Ratio 3.846 (50/13)
Clutch Wet multi-disc, manual

FRAME
Type Perimeter, Aluminum
Wheel Travel: Front 315 mm
Wheel Travel: Rear 315 mm
Tire: Front 90/100-21 57M
Tire: Rear 120/80-19 63M
Caster (Rake) 26.7°
Trail 116 mm
Steering Angle (Left/Right) 42°/42°

SUSPENSION
Front: Type 48 mm inverted AOS-type telescopic fork
Compression Damping 22-way
Rebound Damping 20-way
Rear: Type New Uni-Trak
Compression Damping 22-way (low-speed), 2-turns or more (high-speed)
Rebound Damping 22-way
Spring Preload Fully Adjustable

BRAKES
Front: Type Single semi-floating, 250 mm petal disc
Caliper Dual-piston
Rear: Type Single 240 mm petal disc
Caliper Single-piston

DIMENSIONS
Overall Length 2, 185 mm
Overall Width 820 mm
Overall Height 1, 280 mm
Wheelbase 1, 480 mm
Ground Clearance 340 mm
Seat Height 965 mm
Curb Mass 113.6 kg (250.4 lbs)
Fuel Capacity 7 litres